finish these pneumatic units operate at 9-12000 vpm and up to 100-110 psi on lubricated air these bearingless units have only one moving ... -1600 are high frequency vibrators with 9000 to 10000 vpm they are 115 volt and can be plugged into any light outlet or used with field ... generators speed can be adjusted with simple rheostats or electronic speed ... life technical data electric models 1 phase 3 phase amperes at volt phase 115/230 230/460 575 force impact lbs n min h.p lbs adjustable n